Tunnel kilns for the calcining particularly of sensitive ceramic ware



March 3, 1964 H BEHRENS 3,l22,814

TUNNEL KLNS FOR THE CALCINING PARTcULARLY OF SENSITIVE cERAMc WARE F11ed Nov. 6 1961 ATTORNEY 

1. A TUNNEL KLIN, PARTICULARLY FOR THE CALCINING OF SENSITIVE CERAMIC WARE, HAVING GUIDING MEANS ARRANGED IN THE INTERIOR OF THE KLIN DUCT, WHICH BLOCK THE PATH OF THE COMBUSTION GASES FLOWING FROM THE CALCINING ZONE TO THE PREHEATING ZONE AND/OR THE COLD AIR FLOWING IN AT THE COOLING END ALONG THE SIDE WALLS AND THE ROOF OF THE KILN DUCT, AND THUS FORCE THE GASES TO FLOW THROUGH THE CHARGE, THE GAPS BETWEEN THE WARE TO BE CALCINED AND THE SIDE WALLS AS WELL AS THE ROOF OF THE TUNNEL KLIN BEING PROVIDED WITH PLATE ELEMENTS RESILIENTLY YIELDING IN THE DIRECTION OF CONVEYING OF THE CALCINING CARRIAGES AND SCRAPPING OVER THE WARE TO BE CALCINED ITSELF, AND THEREBY ESTABLISHING A COMPLETE SEAL, SAID PLATE ELEMENTS BEING LIMITED IN THEIR FREEDOM OF MOVEMENT IN RELATION TO THE CALCINING CARRIAGES TO BE PREVENTED FROM JERKING BACK BEYOND THE DIRECTION PERPENDICULAR TO THE DIRECTION OF CONVEYING. 